# CDO Security vs Frequency | Tools per Hamradio

The clearest difference is iOS requirement: CDO Security at 9.3 against Frequency | Tools per Hamradio's 15.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CDO Security | Frequency | Tools per Hamradio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 19 MB | 34 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SICEP S.r.l.](https://appshunter.io/developer/1017353302) | [Gianluca De bortoli](https://appshunter.io/developer/1302798526) |

## What reviewers say

### CDO Security

[App page](https://appshunter.io/ios/app/cdo-security/id1597281777)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency | Tools per Hamradio

[App page](https://appshunter.io/ios/app/frequency-tools-per-hamradio/id6758953117)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CDO Security free?

CDO Security is free to download, with no in-app purchases.

### Is Frequency | Tools per Hamradio free?

Frequency | Tools per Hamradio is free to download, with no in-app purchases.

### Do CDO Security or Frequency | Tools per Hamradio have ads?

Neither CDO Security nor Frequency | Tools per Hamradio shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*